Velocity is a vector - specifying how fast (or slow) a distance is covered and the direction of the movement. Since the velocity vector (the direction) of a body changes when moved in a circle - there is an acceleration. This acceleration is named the centripetal acceleration - and can be...
Centripetal acceleration, the acceleration of a body traversing a circular path. Because velocity is a vector quantity (that is, it has both a magnitude, the speed, and a direction), when a body travels on a circular path, its direction constantly change
Velocity, quantity that designates how fast and in what direction a point is moving. A point always moves in a direction that is tangent to its path; for a circular path, for example, its direction at any instant is perpendicular to a line from the point
It changes the value of velocity only, and not its direction. In a circular motion (the leftmost picture below), where an object moves around the circumference of a circle, there is only the centripetal component. An object will keep its speed at a constant value; think of the Earth, ...
In either frame, when the system is the stone, the tension acts towards the center of the circle. We can write unambiguous equations using radial unit vectors for the two cases $$\begin{align} & T(-\mathbf{\hat r})=m\omega^2 r(-\mathbf{\hat r}) \\ & T(-\mathbf{\...
Note that the triangle formed by the velocity vectors and the one formed by the radiirand Δsare similar. Both the triangles ABC and PQR are isosceles triangles (two equal sides). The two equal sides of the velocity vector triangle are the speedsv1=v2=v. Using the properties of two simi...
Terminal Velocity of a Human, Free Fall and Drag Force Archimedes' Principle, Buoyancy Experiments and Flotation Force Examples of Forces in Everyday Life and How They Affect Things Basic Mechanics: Gravity and Newton's Law of Gravitation
If an object is spinning in a circle at a constant speed, the object is accelerating. This is because there is acontinuous change in direction (and velocity includes both speed and direction).As an object moves in a circle, the change in its direction of motion is always toward thecenter...
Note that the triangle formed by the velocity vectors and the one formed by the radiiandare similar. Both the triangles ABC and PQR are isosceles triangles (two equal sides). The two equal sides of the velocity vector triangle are the speedsUsing the properties of two similar triangles, we ...
velocity, quantity thatdesignateshow fast and in what direction a point is moving. A point always moves in a direction that istangentto its path; for a circular path, for example, its direction at any instant is perpendicular to a line from the point to the centre of thecircle(a radius)...